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CA540407A - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
CA540407A
CA540407A CA540407A CA540407DA CA540407A CA 540407 A CA540407 A CA 540407A CA 540407 A CA540407 A CA 540407A CA 540407D A CA540407D A CA 540407DA CA 540407 A CA540407 A CA 540407A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
drill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA540407A
Other languages
French (fr)
Inventor
B. Brown Philip
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA540407A publication Critical patent/CA540407A/en
Expired legal-status Critical Current

Links

CA540407A Rock drill bit Expired CA540407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA540407T

Publications (1)

Publication Number Publication Date
CA540407A true CA540407A (en) 1957-05-07

Family

ID=35697546

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540407A Expired CA540407A (en) Rock drill bit

Country Status (1)

Country Link
CA (1) CA540407A (en)

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